Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6318139 | Waterborne lubricant for the cold plastic working of metals | Kazuhiro Ishikura, Kenji Karube | 2001-11-20 |
| 5733386 | Polymer composition and method for treating metal surfaces | Masayuki Yoshida, Shigeo Tanaka | 1998-03-31 |
| 5591275 | Composition and process for surface treating metal prior to cold working | Shigeo Tanaka, Ryoji Morita | 1997-01-07 |